Manson, O. O. .; Aigbe, O. M. .; O., O. I. Poultry Manure and NPK 15 15 15 Fertilizer Application and Their Residual Effect on White Yam (Dioscorearotundata) Storage in the Forest Derived Savanna Ecological Zones of Edo State, Nigeria. Ca J Agri Crop 2019, 4, 26-32.